./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor740275328

<...>
[    3.573313][  T102] udevd[102]: starting eudev-3.2.11
[    4.465800][  T123] dbus-daemon (123) used greatest stack depth: 23024 bytes left
[    4.799386][  T154] cmp (154) used greatest stack depth: 22672 bytes left
[    5.004247][  T182] ssh-keygen (182) used greatest stack depth: 22256 bytes left
[   14.846308][   T28] kauditd_printk_skb: 50 callbacks suppressed
[   14.846321][   T28] audit: type=1400 audit(1720968886.126:61): avc:  denied  { transition } for  pid=228 comm="sshd" path="/bin/sh" dev="sda1" ino=89 scontext=system_u:system_r:sshd_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1
[   14.850247][   T28] audit: type=1400 audit(1720968886.126:62): avc:  denied  { noatsecure } for  pid=228 comm="sshd" scontext=system_u:system_r:sshd_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1
[   14.852903][   T28] audit: type=1400 audit(1720968886.136:63): avc:  denied  { write } for  pid=228 comm="sh" path="pipe:[12094]" dev="pipefs" ino=12094 scontext=root:sysadm_r:sysadm_t tcontext=system_u:system_r:sshd_t tclass=fifo_file permissive=1
[   14.856158][   T28] audit: type=1400 audit(1720968886.136:64): avc:  denied  { rlimitinh } for  pid=228 comm="sh" scontext=system_u:system_r:sshd_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1
[   14.858908][   T28] audit: type=1400 audit(1720968886.136:65): avc:  denied  { siginh } for  pid=228 comm="sh" scontext=system_u:system_r:sshd_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1
Warning: Permanently added '10.128.1.190' (ED25519) to the list of known hosts.
execve("./syz-executor740275328", ["./syz-executor740275328"], 0x7ffc0795d6b0 /* 10 vars */) = 0
brk(NULL)                               = 0x5555570c3000
brk(0x5555570c3d40)                     = 0x5555570c3d40
arch_prctl(ARCH_SET_FS, 0x5555570c33c0) = 0
set_tid_address(0x5555570c3690)         = 298
set_robust_list(0x5555570c36a0, 24)     = 0
rseq(0x5555570c3ce0, 0x20, 0, 0x53053053) = -1 ENOSYS (Function not implemented)
prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0
readlink("/proc/self/exe", "/root/syz-executor740275328", 4096) = 27
getrandom("\x36\xaa\x13\x83\x19\x1c\x1f\x7c", 8, GRND_NONBLOCK) = 8
brk(NULL)                               = 0x5555570c3d40
brk(0x5555570e4d40)                     = 0x5555570e4d40
brk(0x5555570e5000)                     = 0x5555570e5000
mprotect(0x7f19e011e000, 16384, PROT_READ) = 0
mmap(0x1ffff000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x1ffff000
mmap(0x20000000, 16777216, PROT_READ|PROT_WRITE|PROT_EXEC, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x20000000
mmap(0x21000000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0executing program
) = 0x21000000
write(1, "executing program\n", 18)     = 18
futex(0x7f19e01243ec, FUTEX_WAKE_PRIVATE, 1000000) = 0
rt_sigaction(SIGRT_1, {sa_handler=0x7f19e00bb520, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f19e00acba0}, NULL, 8) = 0
rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f19e0037000
mprotect(0x7f19e0038000, 131072, PROT_READ|PROT_WRITE) = 0
rt_sigprocmask(SIG_BLOCK, ~[], [], 8)   = 0
clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f19e0057990, parent_tid=0x7f19e0057990, exit_signal=0, stack=0x7f19e0037000, stack_size=0x20300, tls=0x7f19e00576c0} => {parent_tid=[299]}, 88) = 299
rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
futex(0x7f19e01243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0
futex(0x7f19e01243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 299 attached
 <unfinished ...>
[pid   299] set_robust_list(0x7f19e00579a0, 24) = 0
[pid   299] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   299] mkdirat(AT_FDCWD, "./file0", 000) = 0
[pid   299] futex(0x7f19e01243ec, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   298] <... futex resumed>)        = 0
[pid   298] futex(0x7f19e01243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   298] futex(0x7f19e01243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   299] <... futex resumed>)        = 1
[pid   299] openat(AT_FDCWD, "/dev/fuse", O_RDWR) = 3
[pid   299] futex(0x7f19e01243ec, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   298] <... futex resumed>)        = 0
[pid   298] futex(0x7f19e01243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   298] futex(0x7f19e01243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   299] <... futex resumed>)        = 1
[pid   299] mount(NULL, "./file0", "fuse", 0, "fd=0x0000000000000003,rootmode=00000000000000000040000,user_id=00000000000000000000,group_id=0000000"...) = 0
[pid   299] futex(0x7f19e01243ec, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   298] <... futex resumed>)        = 0
[pid   298] futex(0x7f19e01243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   298] futex(0x7f19e01243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   299] <... futex resumed>)        = 1
[pid   299] read(3, "\x68\x00\x00\x00\x1a\x00\x00\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x07\x00\x00\x00\x25\x00\x00\x00\x00\x00\x02\x00\xfb\xff\xff\x73\x01\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 8192) = 104
[pid   299] write(3, "\x50\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00\x00\x00\x00\x07\x00\x00\x00\x26\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 80) = 80
[pid   299] futex(0x7f19e01243ec, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   298] <... futex resumed>)        = 0
[pid   298] futex(0x7f19e01243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   298] futex(0x7f19e01243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   299] <... futex resumed>)        = 1
[   24.392326][   T28] audit: type=1400 audit(1720968895.676:66): avc:  denied  { execmem } for  pid=298 comm="syz-executor740" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1
[   24.411717][   T28] audit: type=1400 audit(1720968895.676:67): avc:  denied  { read write } for  pid=298 comm="syz-executor740" name="fuse" dev="devtmpfs" ino=93 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fuse_device_t tclass=chr_file permissive=1
[pid   299] read(3,  <unfinished ...>
[pid   298] <... futex resumed>)        = -1 ETIMEDOUT (Connection timed out)
[pid   298] futex(0x7f19e01243fc, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   298] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f19e0016000
[pid   298] mprotect(0x7f19e0017000, 131072, PROT_READ|PROT_WRITE) = 0
[pid   298] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid   298] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f19e0036990, parent_tid=0x7f19e0036990, exit_signal=0, stack=0x7f19e0016000, stack_size=0x20300, tls=0x7f19e00366c0} => {parent_tid=[301]}, 88) = 301
[pid   298] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   298] futex(0x7f19e01243f8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   298] futex(0x7f19e01243fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 301 attached
 <unfinished ...>
[pid   301] set_robust_list(0x7f19e00369a0, 24) = 0
[pid   301] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   301] openat(AT_FDCWD, "./file0", O_RDONLY <unfinished ...>
[pid   299] <... read resumed>"\x30\x00\x00\x00\x1b\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2d\x01\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00", 8192) = 48
[pid   299] write(3, "\x20\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 32) = 32
[pid   299] futex(0x7f19e01243ec, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   299] futex(0x7f19e01243e8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   301] <... openat resumed>)       = 4
[pid   301] futex(0x7f19e01243fc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   298] <... futex resumed>)        = 0
[pid   298] futex(0x7f19e01243e8, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   299] <... futex resumed>)        = 0
[pid   298] futex(0x7f19e01243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   299] renameat2(4, "./file1", 4, "./file0", 0 <unfinished ...>
[pid   301] <... futex resumed>)        = 1
[   24.434994][   T28] audit: type=1400 audit(1720968895.676:68): avc:  denied  { open } for  pid=298 comm="syz-executor740" path="/dev/fuse" dev="devtmpfs" ino=93 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fuse_device_t tclass=chr_file permissive=1
[   24.458521][   T28] audit: type=1400 audit(1720968895.676:69): avc:  denied  { mounton } for  pid=298 comm="syz-executor740" path="/root/file0" dev="sda1" ino=1927 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:user_home_t tclass=dir permissive=1
[pid   301] futex(0x7f19e01243f8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   298] <... futex resumed>)        = -1 ETIMEDOUT (Connection timed out)
[pid   298] futex(0x7f19e01243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out)
[pid   298] futex(0x7f19e01243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out)
[pid   298] futex(0x7f19e01243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out)
[pid   298] futex(0x7f19e01243f8, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   301] <... futex resumed>)        = 0
[pid   298] futex(0x7f19e01243fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   301] read(3, "\x2e\x00\x00\x00\x01\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2b\x01\x00\x00\x00\x00\x00\x00\x66\x69\x6c\x65\x31\x00", 8224) = 46
[pid   301] futex(0x7f19e01243fc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   298] <... futex resumed>)        = 0
[pid   301] <... futex resumed>)        = 1
[pid   298] futex(0x7f19e01243f8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   301] futex(0x7f19e01243f8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   298] <... futex resumed>)        = 0
[pid   301] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   298] futex(0x7f19e01243fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   301] write(3, "\xa0\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 160) = 160
[pid   301] futex(0x7f19e01243fc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   298] <... futex resumed>)        = 0
[pid   301] <... futex resumed>)        = 1
[   24.481169][   T28] audit: type=1400 audit(1720968895.676:70): avc:  denied  { mount } for  pid=298 comm="syz-executor740" name="/" dev="fuse" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fusefs_t tclass=filesystem permissive=1
[   24.502889][  T299] general protection fault, probably for non-canonical address 0xdffffc0000000002: 0000 [#1] PREEMPT SMP KASAN
[   24.514557][  T299] KASAN: null-ptr-deref in range [0x0000000000000010-0x0000000000000017]
[   24.522807][  T299] CPU: 0 PID: 299 Comm: syz-executor740 Not tainted 6.1.84-syzkaller-00005-g96d66062d076 #0
[   24.532692][  T299] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/07/2024
[   24.542589][  T299] RIP: 0010:do_renameat2+0x6fd/0x1480
[   24.547805][  T299] Code: f2 e8 77 f0 fe ff 48 89 c3 48 3d 01 f0 ff ff 72 12 e8 57 08 ac ff 41 89 de 48 8b 5c 24 18 e9 6f 05 00 00 49 89 de 49 c1 ee 03 <43> 0f b6 04 26 84 c0 0f 85 8a 07 00 00 48 89 5c 24 40 8b 1b be 00
[   24.567323][  T299] RSP: 0018:ffffc90000e27c00 EFLAGS: 00010202
[   24.573229][  T299] RAX: 0000000000000010 RBX: 0000000000000010 RCX: ffff888109702880
[   24.581036][  T299] RDX: 0000000000000000 RSI: 0000000000000005 RDI: 0000000000000000
[   24.588934][  T299] RBP: ffffc90000e27ee0 R08: ffffffff81cbb018 R09: fffff520001c4f59
[   24.596744][  T299] R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000
[   24.604570][  T299] R13: ffffc90000e27de8 R14: 0000000000000002 R15: ffff88812117d9c0
[   24.612372][  T299] FS:  00007f19e00576c0(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
[   24.621146][  T299] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   24.627644][  T299] CR2: 000055da18f37118 CR3: 00000001098a2000 CR4: 00000000003506b0
[   24.635547][  T299] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   24.643356][  T299] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   24.651362][  T299] Call Trace:
[   24.654481][  T299]  <TASK>
[   24.657262][  T299]  ? __die_body+0x62/0xb0
[   24.661428][  T299]  ? die_addr+0x9f/0xd0
[   24.665417][  T299]  ? exc_general_protection+0x317/0x4c0
[   24.670887][  T299]  ? asm_exc_general_protection+0x27/0x30
[   24.676438][  T299]  ? fast_dput+0x78/0x2a0
[   24.680604][  T299]  ? do_renameat2+0x6fd/0x1480
[   24.685209][  T299]  ? fsnotify_move+0x4e0/0x4e0
[   24.689808][  T299]  ? strncpy_from_user+0x169/0x2b0
[   24.694853][  T299]  ? getname_flags+0x1fd/0x520
[   24.699441][  T299]  __x64_sys_renameat2+0xdd/0xf0
[   24.704214][  T299]  do_syscall_64+0x3d/0xb0
[   24.708467][  T299]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[   24.714193][  T299] RIP: 0033:0x7f19e0095679
[   24.718446][  T299] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[   24.737887][  T299] RSP: 002b:00007f19e0057218 EFLAGS: 00000246 ORIG_RAX: 000000000000013c
[   24.746131][  T299] RAX: ffffffffffffffda RBX: 00007f19e01243e8 RCX: 00007f19e0095679
[   24.753943][  T299] RDX: 0000000000000004 RSI: 0000000020000500 RDI: 0000000000000004
[   24.761864][  T299] RBP: 00007f19e01243e0 R08: 0000000000000000 R09: 0000000000000000
[   24.769672][  T299] R10: 00000000200001c0 R11: 0000000000000246 R12: 00007f19e00f109c
[   24.777486][  T299] R13: 0030656c69662f2e R14: 00007f19e00f10ca R15: 0031656c69662f2e
[   24.785300][  T299]  </TASK>
[   24.788167][  T299] Modules linked in:
[   24.792045][  T299] ---[ end trace 0000000000000000 ]---
[   24.797356][  T299] RIP: 0010:do_renameat2+0x6fd/0x1480
[   24.802516][  T299] Code: f2 e8 77 f0 fe ff 48 89 c3 48 3d 01 f0 ff ff 72 12 e8 57 08 ac ff 41 89 de 48 8b 5c 24 18 e9 6f 05 00 00 49 89 de 49 c1 ee 03 <43> 0f b6 04 26 84 c0 0f 85 8a 07 00 00 48 89 5c 24 40 8b 1b be 00
[   24.822005][  T299] RSP: 0018:ffffc90000e27c00 EFLAGS: 00010202
[   24.827959][  T299] RAX: 0000000000000010 RBX: 0000000000000010 RCX: ffff888109702880
[   24.835747][  T299] RDX: 0000000000000000 RSI: 0000000000000005 RDI: 0000000000000000
[pid   301] futex(0x7f19e01243f8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   298] exit_group(0)               = ?
[pid   301] <... futex resumed>)        = ?
[pid   301] +++ exited with 0 +++
[   24.843603][  T299] RBP: ffffc90000e27ee0 R08: ffffffff81cbb018 R09: fffff520001c4f59
[   24.851388][  T299] R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000
[   24.859244][  T299] R13: ffffc90000e27de8 R14: 0000000000000002 R15: ffff88812117d9c0
[   24.867017][  T299] FS:  00007f19e00576c0(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
[   24.875760][  T299] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   24.882231][  T299] CR2: 000055da18f37118 CR3: 00000001098a2000 CR4: 00000000003506b0
[   24.890012][  T299] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   24.897849][  T299] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   24.905618][  T299] Kernel panic - not syncing: Fatal exception
[   24.911729][  T299] Kernel Offset: disabled
[   24.915911][  T299] Rebooting in 86400 seconds..